The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

The novel coronavirus that causes COVID-19 has spread globally, killing hundreds of thousands of people and infecting millions more. The pandemic has upended life around the world, delivering a ...

Thanksgiving week is typically one of the biggest travel periods of the year, but winter holidays like Christmas, Hanukkah, Kwanzaa and New Year's Eve aren't that far behind—and all that traveling, ...

The novel coronavirus that causes COVID-19 has spread globally, killing hundreds of thousands of people and infecting millions more. The pandemic has upended life around the world, crippling the ...

If you're worried about having COVID-19, the illness caused by the novel coronaivus, here's the topline guidance from the Centers for Disease Control and Prevention: "If you have a fever or cough, you ...

Experts are still encouraging people to take the drug if prescribed. When Laura Martin tested positive for COVID-19 last month during an extended stay in California, she was prescribed Paxlovid, the ...

A new NYU Langone study suggests long COVID-19 may trigger Alzheimer’s-like brain changes, raising concerns about future ...

Add Yahoo as a preferred source to see more of our stories on Google. What are the most common COVID-19 symptoms doctors are seeing in October 2025? Read on to find out what to look out for, how to ...